Bay windows do more than let in light—they add space, character, and style to any room. Whether used for a reading nook, a wide view, or just extra brightness, bay and bow windows are both practical and attractive.

In this guide, we feature the top bay window manufacturers in the U.S., China, and beyond. These companies are known for their quality, innovation, and flexible designs to fit different homes, budgets, and projects. From renovations to luxury builds, they are trusted choices for durable and stylish bay and bow windows.

Top 8 Bay Window Manufacturers

Quick Overview

1. Andersen Windows & Doors

Andersen is a top bay window manufacturer famed for century-long craftsmanship and Fibrex® composite. Factory-assembled 400/E-Series bay & bow units speed installs, offer broad grille/angle options, and pair performance glazing with low-maintenance exteriors—perfect for statement alcoves, window seats, and bright, projecting spaces in both new builds and replacements.

Basic Information

• Headquarters: Bayport, Minnesota, USA

• Founded: 1903

• Main Products: Wood, composite (Fibrex®) and aluminum-clad windows/doors; bay & bow assemblies

• Key Technologies: Fibrex® composite; clad-wood E-/A-Series

• Service Area: North America & select international

• Why Recommend: Proven bay/bow systems, robust materials, wide style/size flexibility for complex bay installs

2. Pella Corporation

Pella ranks among top bay window makers, blending a century of heritage with innovations like Rolscreen® and between-the-glass blinds. Bay & bow windows span wood, fiberglass, and vinyl lines to tune energy performance and curb appeal—ideal for cozy reading nooks, panoramic projections, and low-upkeep upgrades with integrated shading options.

Basic Information

• Headquarters: Pella, Iowa, USA

• Founded: 1925

• Main Products: Wood, fiberglass (Impervia), and vinyl windows; bay & bow; patio/entry doors

• Key Technologies: Rolscreen® retractable screens; integrated blinds/shades; EnduraClad® finishes

• Service Area: USA & international dealers

• Why Recommend: Deep lineup plus convenience features for energy-efficient, low-maintenance bay/bow designs

3. Marvin

Marvin is a design-driven top bay window manufacturer known for made-to-order assemblies. Bay/bow configurations combine warm wood interiors with Ultrex® fiberglass or aluminum cladding for strength, crisp sightlines, and weather resistance—ideal as architectural focal points that maximize daylight and views while meeting demanding thermal and aesthetic specs.

Basic Information

• Headquarters: Warroad, Minnesota, USA

• Founded: 1912

• Main Products: Wood, fiberglass (Ultrex®) and aluminum-clad windows/doors; bay & bow units

• Key Technologies: Ultrex® fiberglass; Elevate/Essential platforms

• Service Area: North America & select international (dealer network)

• Why Recommend: Premium materials and customization for elegant, durable bay/bow projections

4. JELD-WEN

JELD-WEN is a global brand and top bay window supplier offering vinyl and clad-wood bay/bow options. AuraLast® pine helps protect wood to the core, while V-Series vinyl bays deliver strong value and energy performance—well-suited to remodels seeking bright, space-expanding projections without sacrificing durability or budget control.

Basic Information

• Headquarters: Charlotte, North Carolina, USA

• Founded: 1960

• Main Products: Vinyl and wood/clad-wood windows & doors; bay/bow configurations

• Key Technologies: AuraLast® wood protection

• Service Area: Global manufacturing footprint

• Why Recommend: Broad availability and wood-durability tech for budget-to-premium bay/bow needs

5. Milgard (MITER Brands)

Milgard is a Western-U.S. mainstay and top bay window producer across vinyl, fiberglass, and aluminum. Its series support custom bay/bow assemblies to open rooms and views, with regional manufacturing and service that tighten lead times—great for climate-tuned performance and cohesive looks across good/better/best budgets.

Basic Information

• Headquarters: Temecula, California, USA

• Founded: 1958

• Main Products: Vinyl (Tuscany®, Trinsic™), fiberglass (Ultra™), thermally improved aluminum; bay & bow

• Key Technologies: Region-tuned energy packages; local manufacturing/service

• Service Area: Western United States (dealer network)

• Why Recommend: Strong value and local support for custom bay/bow projections

6. Simonton (Cornerstone Building Brands)

Simonton is a top bay window choice for vinyl replacements, with multiple bay & bow collections customizable by frame, glass, and hardware. Retail programs (including Home Depot exclusives) expand access and pricing—making it a flexible pick for nationwide remodelers targeting bright, low-maintenance projecting windows.

Basic Information

• Headquarters: Cary, North Carolina, USA

• Founded: 1946

• Main Products: Vinyl windows (bay/bow, double-hung, casement) and patio doors

• Key Technologies: Energy glass packages; optional foam enhancements on select lines

• Service Area: USA (national distribution/retail)

• Why Recommend: Broad vinyl bay/bow catalog with easy retail access and region-ready options

7. Harvey Windows + Doors

Harvey is a Northeast-born top bay window maker offering factory-built vinyl and wood (Majesty) bay/bow systems for clean installs and classic curb appeal. With performance options and strong dealer support across much of the U.S., Harvey suits varied climates and traditional façades needing bright, projecting upgrades.

Basic Information

• Headquarters: Waltham, Massachusetts, USA

• Founded: 1961

• Main Products: Vinyl & wood windows (bay/bow, double-hung, casement) and doors

• Key Technologies: Factory-assembled bay/bow units; wood/vinyl platforms

• Service Area: East Coast to the Rockies

• Why Recommend: Reliable bay/bow offerings with robust regional support

8. APRO (Guangzhou APRO Building Materials Co., Ltd.)

APRO is a China-based bay window specialist working exclusively in aluminum. Thermally broken aluminum bay/bow windows pair Low-E insulated glass with sturdy frames, operable side lites, and custom angles for light-filled alcoves. With international export support, APRO delivers sleek, energy-efficient projecting bays for modern residential and commercial projects.

Basic Information

• Headquarters: Huadu District, Guangzhou, China

• Founded: 2015

• Main Products: Aluminum bay windows; aluminum casement, sliding, awning, tilt-turn; aluminum doors; curtain wall

• Key Technologies: Thermal-break aluminum frames; Low-E double glazing; custom bay angles

• Service Area: China & international exports

• Why Recommend: Aluminum-only focus, modern aesthetics, energy efficiency, and deep customization for bay/bow designs

How to Choose the Right Bay Window Manufacturer

Selecting the right bay window manufacturer ensures your project combines durability, energy savings, and design flexibility. Keep these points in mind:

• Material Options – Manufacturers vary by specialty: wood and clad-wood bays bring warmth, vinyl offers affordability and low maintenance, while aluminum provides strength and sleek modern aesthetics.

• Energy Efficiency – Look for Low-E glass, insulated frames, and weather-resistant seals. These features keep interiors comfortable and reduce energy costs.

• Customization & Design – The best bay window brands let you tailor projection angles (30°, 45°, or custom), grille patterns, finishes, and seat boards to match your home’s style.

• Warranty & Certifications – Long-term warranties and certifications (NFRC, Energy Star, AS2047, etc.) show a manufacturer’s commitment to performance and customer peace of mind.

• Service, Support & Budget – Consider regional coverage, installation help, and pricing. Big brands like Andersen and Pella provide nationwide networks, while APRO offers global aluminum solutions—fit the choice to your budget and location.

Conclusion

Bay and bow windows brighten rooms, add space, and boost style—but the right manufacturer ensures lasting quality. From U.S. leaders like Andersen, Pella, and Marvin to international experts like APRO, today’s top bay window manufacturers offer durable, energy-efficient designs for every type of project.

Looking to upgrade your home or business with high-quality bay windows? Our team works with trusted manufacturers to deliver the best products and services. Contact us today for expert advice and tailored solutions to fit your needs.

FAQs

What is the difference between bay windows and bow windows?

Bay windows usually have three panels with angled sides, while bow windows use four or more panels to create a smoother curved appearance. Both extend outward and bring in more natural light.

Which material is best for bay windows?

It depends on your needs. Wood offers a classic look, vinyl is affordable and low maintenance, and aluminum provides modern style and strength. Many homeowners choose based on budget, climate, and design preference.

Are bay windows energy efficient?

Yes—modern bay windows can be highly energy efficient when built with Low-E glass, insulated frames, and quality seals. Choosing the right manufacturer and installation is important for performance.

How much do bay windows cost?

Bay window prices vary by size, material, and customization. Standard vinyl bay windows are usually more affordable, while custom wood or aluminum designs cost more. Installation complexity also affects the final price.

Which bay window manufacturer is best?

The best manufacturer depends on your project needs. Andersen, Pella, and Marvin are popular for premium residential projects, while brands like APRO focus on modern aluminum solutions and custom international projects.